To cite popRF in publications use:

Bondarenko M, Nieves J, Stevens F, Gaughan A, Jochem C, Kerr D, Sorichetta A (2021). popRF: Random Forest-informed Population Disaggregation R package.. https://cran.r-project.org/package=popRF.

Corresponding BibTeX entry:

  @Manual{,
    title = {popRF: Random Forest-informed Population Disaggregation R
      package.},
    author = {Maksym Bondarenko and Jeremiah J Nieves and Forrest R.
      Stevens and Andrea E. Gaughan and Chris Jochem and David Kerr and
      Alessandro Sorichetta},
    year = {2021},
    journal = {Comprehensive R Archive Network (CRAN)},
    url = {https://cran.r-project.org/package=popRF},
    language = {English},
  }